Update README.md (#6)

Minor spelling fix in README.md

Author: abdullahtariq91

docs/README.md

@@ -53,7 +53,7 @@ yarn install
 npm link
 ```
 
-### NPM ot Yarn
+### NPM or Yarn
 ```bash
 npm install sactive-bot -g
 
@@ -101,4 +101,4 @@ yarn global add sactive-bot
 - Slack Adapter
   - [hubot-slack](https://github.com/slackapi/hubot-slack)
 - Microsoft teams Adapter
-  - [TeamsAPI](https://github.com/howdyai/botkit/blob/master/lib/TeamsAPI.js)
+  - [TeamsAPI](https://github.com/howdyai/botkit/blob/master/lib/TeamsAPI.js)